The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 23, 2012
Filed:
Dec. 01, 2009
Tetsuo Nishida, Izumiotsu, JP;
Megumi Tomisaki, Izumiotsu, JP;
Kazuhiko Shogami, Izumiotsu, JP;
Hideki Nakashima, Izumiotsu, JP;
Hirofumi Suzuki, Yokkaichi, JP;
Takashi Fujii, Tokyo, JP;
Tetsuo Nishida, Izumiotsu, JP;
Megumi Tomisaki, Izumiotsu, JP;
Kazuhiko Shogami, Izumiotsu, JP;
Hideki Nakashima, Izumiotsu, JP;
Hirofumi Suzuki, Yokkaichi, JP;
Takashi Fujii, Tokyo, JP;
Stella Chemifa Corporation, Osaka-shi, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
To provide a technique for simply and easily producing a high-purity difluorophosphate and provide a production process of an electrolytic solution using the obtained difluorophosphate, an electrolytic solution and a secondary battery. A process for producing a difluorophosphate, comprising the following step (1) or (2): Also, a nonaqueous electrolytic solution containing the obtained difluorophosphate, and a nonaqueous electrolytic secondary battery containing the nonaqueous electrolytic solution.